If I had been one of the game announcers I would have referred to both teams as the "team from Washington" and let the audience guess which team I was referring to.
I seriously doubt that anyone watching the Redskins ever really thinks about indians at all. Its only the PC crowd that perceives ‘hurtful insults’ in everything they see, which gives them excuses to demand that people bend to their every demand. Its all about power and control.